CN218101350U - Evaporator with flow guide structure for all-vanadium redox flow battery - Google Patents

Abstract

The utility model discloses an evaporimeter that is used for full vanadium redox flow battery and has water conservancy diversion structure, including the casing, install the heat exchange assemblies on the casing, its characterized in that, install the water conservancy diversion post that is used for carrying out the water conservancy diversion to electrolyte on the bottom of casing inner chamber. The utility model discloses a setting through the guide post, carry out the water conservancy diversion to electrolyte, avoid the electrolyte flow direction disorder, make the liquid level of electrolyte rise steadily, avoid the electrolyte backward flow, produce the interference to the electrolyte that next will enter the casing and carry out the heat transfer to improve heat exchange efficiency; and install the guide post on the central point of the poor casing inner chamber bottom of heat transfer effect puts, packs the poor central point of heat transfer effect to make electrolyte can not flow to the central point and put, guarantee the heat transfer effect, and reduce the volume of casing inner chamber, accelerate the speed on the electrolyte liquid level, thereby improve heat exchange efficiency.

Description

Evaporator with flow guide structure for all-vanadium redox flow battery

Technical Field

The utility model relates to an all vanadium redox flow battery technical field, concretely relates to be used for all vanadium redox flow battery and have evaporimeter of water conservancy diversion structure.

Background

Through the development of many years, the vanadium battery technology is mature. The vanadium battery is also called as an all-vanadium redox flow battery, namely an all-vanadium redox flow battery, is a green and environment-friendly high-capacity energy storage device, is different from the traditional storage battery due to the unique electrochemical principle, can realize deep discharge, can realize the advantages of instantaneous charge, long service life and the like, and cannot cause environmental pollution, so the vanadium battery has wide prospect in the field of large-scale energy storage, has attracted the extensive attention of many research institutions at home and abroad, and becomes a research hotspot in the field of energy.

The all-vanadium redox flow battery mainly depends on electrolyte to realize charge and discharge. The charging and discharging of the electrolyte are affected by the temperature of the electrolyte: the high temperature of the electrolyte affects the performance of the battery and requires proper cooling. At present, the existing all-vanadium redox flow battery is cooled by exchanging heat with an evaporator, but the existing evaporator does not have a flow guide structure when exchanging heat with electrolyte in the all-vanadium redox flow battery, so that the flow direction of the electrolyte is disordered during heat exchange, the electrolyte impacts with a shell, the electrolyte flows back to an inlet of the electrolyte along an arc surface of the shell, interference is generated on the inflow of the electrolyte, the electrolyte cannot rise stably, and the heat exchange efficiency is influenced; and the central part of the inner cavity of the shell is too far away from the heat exchange tube, so that the problem of poor heat exchange effect is caused. Therefore, the utility model provides an evaporimeter that is used for all vanadium redox flow battery and has water conservancy diversion structure.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a have the water conservancy diversion structure, adjust the electrolyte flow direction, make the electrolyte liquid level steadily rise, improve the water conservancy diversion structure of heat transfer effect and provide an evaporimeter that is used for all vanadium redox flow battery and has the water conservancy diversion structure.

In order to achieve the above object, the utility model provides an evaporimeter that is used for full vanadium redox flow battery and has water conservancy diversion structure, including the casing, install the heat exchange assemblies on the casing, be equipped with in the casing and be used for carrying out the water conservancy diversion post of water conservancy diversion to electrolyte.

Optionally, the flow guiding column is mounted at a central position of the bottom of the inner cavity of the shell.

Optionally, a hollow cavity is arranged in the flow guiding column, and a through hole communicated with the hollow cavity is arranged on the flow guiding column.

Optionally, the heat exchange assembly comprises a heat exchange coil and a connecting plate mounted on the top of the shell; an insulating cover is arranged on the connecting plate; and insulating pipes are arranged at two ends of the heat exchange coil.

Optionally, a plurality of mounting blocks are arranged at the bottom of the insulating cover at equal intervals; the mounting block is sleeved with an insulating ring.

Optionally, a copper pipe is mounted on the insulating pipe; and the insulating cover is provided with avoidance holes corresponding to the copper pipes.

Optionally, a liquid outlet pipe and an exhaust valve are arranged at the top end of the shell; the bottom end of the shell is provided with a liquid inlet pipe and a blow-down valve.

Optionally, included angles exist between the liquid outlet pipe and the exhaust valve and between the liquid inlet pipe and the blow-down valve.

Compared with the prior art, the utility model provides an evaporimeter that is used for full vanadium redox flow battery and has water conservancy diversion structure possesses following beneficial effect:

1. according to the evaporator for the all-vanadium redox flow battery and with the flow guide structure, the flow guide column is arranged to guide the electrolyte, so that the flow direction of the electrolyte is prevented from being disordered, the liquid level of the electrolyte is stably raised, the electrolyte is prevented from flowing back, and the interference is generated on the electrolyte which is next to enter the shell for heat exchange, so that the heat exchange efficiency is improved; and install the guide post on the central point of the poor casing inner chamber bottom of heat transfer effect puts, packs the poor central point of heat transfer effect to make electrolyte can not flow to the central point and put, guarantee the heat transfer effect, and reduce the volume of casing inner chamber, accelerate the speed on the electrolyte liquid level, thereby improve heat exchange efficiency.

2. This an evaporimeter that is used for full vanadium redox flow battery and has water conservancy diversion structure through heat exchange coil's setting, compares in ordinary heat exchange tube, the coil pipe can increase with the area of contact of electrolyte to improve the heat transfer effect.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a sectional view of the overall structure of the present invention;

fig. 3 is a disassembled schematic view of the present invention;

fig. 4 is a partial enlarged view of a portion a of fig. 3 according to the present invention;

fig. 5 is a schematic view of the housing and the flow guide structure of the present invention;

fig. 6 is a schematic structural diagram of the heat exchange assembly of the present invention.

The labels in the figure are: 1. a housing; 11. a liquid outlet pipe; 12. an exhaust valve; 13. a liquid inlet pipe; 14. a blowdown valve; 2. a heat exchange assembly; 21. a heat exchange coil; 22. a connecting plate; 23. an insulating tube; 24. a copper pipe; 3. a flow guide column; 31. a hollow chamber; 32. a through hole; 4. an insulating cover; 41. mounting a block; 42. an insulating ring; 43. avoiding the hole.

Detailed Description

The following detailed description and specific examples are described in connection with the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may be embodied in many different forms without departing from the spirit or essential characteristics thereof, which should not be construed as limited to the embodiments set forth herein.

The utility model discloses an evaporimeter that is used for full vanadium redox flow battery and has water conservancy diversion structure can be applicable to occasions such as full vanadium redox flow battery heat transfer, also can be used to other similar application scenes certainly, uses the water conservancy diversion structure to describe in detail as the example below.

Referring to fig. 1-6, the present invention is a schematic structural diagram of a preferred embodiment of an evaporator with a flow guiding structure for an all-vanadium redox flow battery. The flow guide structure for the all-vanadium liquid flow battery comprises a shell 1, a heat exchange assembly 2 arranged on the shell 1, a flow guide column 3 fixedly arranged in the shell 1 through welding and used for guiding electrolyte, and the flow guide column 3 is described in detail below.

Referring to fig. 1-5, in the present invention, the flow guiding column 3 is fixedly installed at the center of the mounting seat 31 by welding; wherein a hollow chamber is arranged in the flow guide column 3, and a through hole 32 communicated with the hollow chamber 31 is arranged on the flow guide column 3; the utility model discloses an installation of guide post 32, electrolyte is impacted on one end of guide post 3 after entering from feed liquor pipe 13, divide into two strands of electrolyte, impact each other at the other end of guide post 3, make the flow direction of electrolyte offset each other, thereby make electrolyte rise steadily, when making electrolyte carry out the heat transfer, can the even heat transfer, thereby improve the heat transfer effect of electrolyte; the manufacturing cost of the flow guide column 32 is reduced by arranging the flow guide column 3 to be hollow; through being linked together through the cavity 31 with through-hole 32 and water conservancy diversion post 3, prevent because of the water conservancy diversion post overlength, the electrolyte depth is too dark, lead to electrolyte bottom pressure too big, it is too big because of the hydraulic pressure of electrolyte to cause hollow water conservancy diversion post 31, cause water conservancy diversion post 32 to be to cavity 31 internal concave deformation, the setting of through-hole 32, make along with the rising of electrolyte liquid level, compress the air in the cavity 31 of centering, make the atmospheric pressure in the cavity 31 the same with the hydraulic pressure of outside electrolyte, thereby protect water conservancy diversion post 3, prevent water conservancy diversion post 3 concave deformation, avoid too much electrolyte to flow into hollow portion simultaneously, cause the poor problem of heat transfer effect.

Referring to fig. 1-6, in the present invention, the heat exchange assembly 2 includes a heat exchange coil 21 and a connection plate 22 fixedly mounted on the housing 1 through bolts; wherein the liquid inlet end and the liquid outlet end of the coil pipe 21 are fixedly arranged on the connecting plate 22 by welding; the connecting plate 22 is provided with an insulating cover 4, and the liquid inlet end and the liquid outlet end of the heat exchange coil 21 are respectively provided with an insulating pipe 23 made of plastic materials through flanges; a plurality of mounting blocks 41 are arranged at the bottom of the insulating cover 4 at equal intervals, bolts are mounted on the mounting blocks 41, the insulating cover 4 is fixedly mounted on the connecting plate 22, the mounting position of the insulating ring 42 is limited, when the insulating ring 42 is mounted, the insulating ring 42 only needs to be sleeved until the insulating ring is contacted with the tops of the mounting blocks 41, and the operation is simple and convenient; the utility model, through the arrangement of the heat exchange coil 21, compared with the original straight pipe, increases the contact area between the electrolyte and the heat exchange pipe, thereby improving the heat exchange effect of the electrolyte; through the setting of insulating tube 23, be connected heat exchange coil 21 and copper pipe 24, heat exchange coil 21 and electrolyte contact, and heat exchange coil 21 is the metal material, electron gets into heat exchange coil 21 easily, cause heat exchange coil 21 electrified, and insulating tube 23 is connected heat exchange coil 21 and copper pipe 24, insulating tube 21 is non-conductive, be equivalent to the short circuit in the circuit, and the coolant liquid is freon non-conductive, make the rear end pipeline of being connected rather than be copper pipe 24 and external cooling pipeline, all be not electrified, protect the user.

Referring to fig. 1 to 4, in the present invention, a copper pipe 24 connected to an external cooling pipeline is installed on an insulating pipe 23; the insulating cover 4 is provided with an avoidance hole 43 corresponding to the copper pipe 24, the arrangement of the avoidance hole 43 enables the copper pipe 24 to be connected with an external metal pipeline, and the top end of the shell 1 is provided with a liquid outlet pipe 11 and an exhaust valve 12; the bottom end of the shell 1 is provided with a liquid inlet pipe 13 and a blow-down valve 14; wherein, an included angle is formed between the liquid outlet pipe 11 and the exhaust valve 12, and an included angle is formed between the liquid inlet pipe 13 and the blow-down valve 14, thereby avoiding the mutual interference.

Referring to fig. 1-6, the utility model discloses a use is, at first electrolyte flows into the inner chamber of casing 1 through feed liquor pipe 13, strikes on guide post 3 one end, and electrolyte divides into two along guide post 3, strikes each other at the other end of guide post 3 and offsets to make electrolyte rise steadily, and partial electrolyte flows into guide post 3 through-hole 32 simultaneously, compresses the air in guide post 3, avoids guide post 3 because of the hydraulic pressure of electrolyte, leads to the emergence of the deformation condition of guide post 3; meanwhile, cooling liquid, namely Freon flows in through the copper pipe 24 connected with the liquid inlet end of the heat exchange coil 21, flows through the insulating pipe 23 connected with the liquid inlet pipe of the heat exchange coil 21, exchanges heat with electrolyte in the heat exchange coil 21, flows out through the liquid outlet end of the heat exchange coil 21, flows through the insulating pipe 23 communicated with the liquid outlet end 43, flows out through the copper pipe 24 connected with the insulating pipe 23, and flows out from the liquid outlet pipe 1 at the top of the shell 1 to finish heat exchange.

The above-mentioned embodiment is right the utility model discloses an explanation, it is not right the utility model discloses a limited, any right the scheme after the simple transform of the utility model all belongs to the protection scope of the utility model.

Claims (8)

1. The utility model provides an evaporimeter that is used for full vanadium redox flow battery and has water conservancy diversion structure, includes casing (1), installs heat exchange assemblies (2) on casing (1), its characterized in that, install on the bottom of casing (1) inner chamber and be used for carrying out the water conservancy diversion post (3) to electrolyte.

2. The evaporator with the flow guiding structure for the all-vanadium flow battery as claimed in claim 1, wherein the flow guiding column (3) is installed at the center of the bottom of the inner cavity of the shell (1).

3. The evaporator with the flow guide structure for the all-vanadium flow battery is characterized in that a hollow chamber (31) is arranged in the flow guide column (3), and a through hole (32) communicated with the hollow chamber (31) is arranged on the flow guide column (3).

4. The evaporator with the flow guiding structure for the all-vanadium flow battery is characterized in that the heat exchange assembly (2) comprises a heat exchange coil (21), a connecting plate (22) installed on the top of the shell (1); an insulating cover (4) is arranged on the connecting plate (22); and insulating pipes (23) are arranged at two ends of the heat exchange coil (21).

5. The evaporator with the flow guiding structure for the all-vanadium flow battery is characterized in that a plurality of mounting blocks (41) are arranged at the bottom of the insulating cover (4) at equal intervals; the mounting block (41) is sleeved with an insulating ring (42).

6. The evaporator with the flow guide structure for the all-vanadium flow battery is characterized in that a copper pipe (24) is mounted on the insulating pipe (23); and an avoiding hole (43) corresponding to the copper pipe (24) is formed in the insulating cover (4).

7. The evaporator with the flow guiding structure for the all-vanadium flow battery is characterized in that the top end of the shell (1) is provided with a liquid outlet pipe (11) and a gas exhaust valve (12); the bottom end of the shell (1) is provided with a liquid inlet pipe (13) and a blow-down valve (14).

8. The evaporator with the flow guide structure for the all-vanadium flow battery according to claim 7, wherein included angles exist between the liquid outlet pipe (11) and the exhaust valve (12), and between the liquid inlet pipe (13) and the blowdown valve (14).

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